Below are insider transactions of 1,000 shares or more for...

Insider Trading

September 22, 1997

Below are insider transactions of 1,000 shares or more for publicly held companies based in Maryland or having substantial operations here. Insiders are officers, directors or owners of 10 percent or more of a corporation's stock.

AlliedSignal Inc.

Paul J. Norris, a member of a committee or an advisory board, exercised an option for 25,000 shares of common at $34.35 each on Aug. 13 and sold them at $88.41 each on Aug. 13. He now directly and indirectly holds 7,336 common.

Lawrence Arthur Bossidy, chairman, exercised an option for 225,000 shares of common between $27.04 and $34.35 each from Aug. 13 to Aug. 15 and sold them between $86.55 and $88.90 each from Aug. 13 to Aug. 15. He now directly and indirectly holds 438,033 common.

John W. Barter, vice president, exercised an option for 15,000 shares of common at $14.35 each on Aug. 20 and sold them at $85.98 each on Aug. 20. He now directly and indirectly holds 25,917 common.

Armco Inc.

John B. Corey, vice president, sold 12,939 shares of common at $5.88 each on Aug. 5 and now directly holds 145,862 common.

CSX Corp.

John P. Clancey, officer of subsidiary, exercised an option for 36,000 shares of common at $37.75 each on Aug. 6. To cover expenses of the transaction, Clancey turned in 28,671 of them for $60.91 each on Aug. 6 and now directly and indirectly holds 100,024 common.

John R. Hall, director, purchased 5,000 shares of common at $58.75 each on Aug. 14 and now directly and indirectly holds 12,073 common.

General Motors Corp.

Wayne K. Cherry, vice president, indirectly sold 1,060 shares of common at $64.88 each on Aug. 25 and now directly and/or indirectly holds 22,778 common and 3,626 class H common.

Gary L. Cowger, vice president, exercised an option for 7,495 shares of common between $33.88 and $41.50 each from Aug. 7 to Aug. 25 and sold them between $64.19 and $65.69 each from Aug. 7 to Aug. 25. He now directly and/or indirectly holds 9,737 common and 1,197 class H common.

John F. Smith, chairman, exercised an option for 89,076 shares of common between $40 and $48.07 each on Aug. 6. To cover expenses of the transaction, Smith turned in 72,654 of them for $63.32 each on Aug. 6 and now directly and/or indirectly holds 131,772 common and 30,834 class H common.

Guy D. Briggs, vice president, acquired 3,120 shares of common at an unreported price from Aug. 8 to Aug. 29. In addition, Briggs sold 2,120 shares at $63.13 each from Aug. 8 to Aug. 29 and now directly and/or indirectly holds 28,819 common and 1,866 class H common.

Donald W. Hudler, vice president, exercised an option for 3,250 shares of common at $33.88 each on Aug. 7 and sold them at $64.19 each on Aug. 7. He now directly and/or indirectly holds 5,843 common and 514 COMH .

E. Michael Mutchler, officer, exercised an option for 77,388 shares of common between $33.88 and $48.07 each on Aug. 5 and sold them at $62.73 each on Aug. 5. He now directly and/or indirectly holds 19,529 common and 883 class H common.

John Randolph Rines, vice president, exercised an option for 10,000 shares of common at $37.32 each on Aug. 7 and sold them at $64.19 each on Aug. 7. He now directly and/or indirectly holds 9,351 common and 553 class H common.

John J. Higgins, officer of subsidiary, exercised an option for 16,500 shares of class H common at $36.75 each on Aug. 27 and sold them at $64.19 each on Aug. 27. He now directly and/or indirectly holds 10,456 class H common and 1,671 common.

Charles Howard Noski, no longer required to file as an insider, exercised an option for 10,000 shares of class H common at $61.31 each on Aug. 5 and sold them at $63.21 each on Aug. 5. He now directly and/or indirectly holds 11,855 class H common and 1,888 common.

Tessco Technologies Inc.

Jerome C. Eppler, director, indirectly sold 10,000 shares of common at $30 each on Aug. 1 and now indirectly holds 20,000 common.

Jerome C. Eppler, trustee, sold 10,000 shares of common at $30 each on Aug. 1 and now directly holds 20,000 common.

T. Rowe Price Assoc. Inc.

James Sellers Riepe, officer and director, indirectly sold 2,000 shares of common at $52.88 each on Aug. 5 and now directly and indirectly holds 1,260,318 common.